During summer months, what is the minimum amount of water that must be provided per employee per hour according to Cal/OSHA heat illness prevention requirements?
Correct Answer
D) 32 ounces
Cal/OSHA Section 3395 requires at least 32 ounces (1 quart) of water per employee per hour during hot weather.
Why This Is the Correct Answer
Cal/OSHA Section 3395 (Heat Illness Prevention) requires employers to provide fresh, potable, suitably cool water at no cost to employees, and specifically mandates at least 32 ounces (one quart) per employee per hour. This requirement recognizes that outdoor workers in California's summer heat can lose more than a quart of fluid per hour through sweat. The standard sets this as a floor — workers may need more depending on temperature and exertion level.
Why the Other Options Are Wrong
Option A: 16 ounces
16 ounces (one pint) is half the required amount. While it may seem like a reasonable quantity, it is insufficient for workers in high-heat conditions and does not meet the Section 3395 standard.
Option B: 24 ounces
24 ounces (three-quarters of a quart) is below the required 32-ounce minimum. This option may seem reasonable as a middle ground, but the specific regulatory requirement is 32 ounces — there is no acceptable approximation.
Option C: 1 gallon
1 gallon per hour would exceed the requirement and is technically true as 'at least' that amount would satisfy the standard, but it is not the stated minimum. The question asks for the minimum, which is 32 ounces (1 quart), not 1 gallon (128 ounces). This is a common distractor.
Memory Technique
32 oz = 1 quart = 1 hour. 'A quart an hour keeps heat illness away.' Or remember 32 as in 32 degrees (freezing) — you need water to avoid the opposite extreme (overheating).
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